자바스크립트 성능 분석 체크

자바스크립트 성능 확인

const t0 = performance.now()
console.time('test')
let num = 1000, arr = [];

for (let i = 0; i < 10000; i++) {

	arr[i] = num.toString();
  // arr[i] = num + '' 
  // arr[i] = String(1000);

}
const t1 = performance.now()
console.log(t1 - t0, 'milliseconds')
console.timeEnd('test')

Reference

• http://jindo.dev.naver.com/jsMatch/index.html
• https://velog.io/@zuyonze/%EC%9E%90%EB%B0%94%EC%8A%A4%ED%81%AC%EB%A6%BD%ED%8A%B8-%EC%84%B1%EB%8A%A5-%EC%B5%9C%EC%A0%81%ED%99%94%EC%97%90-%EB%8C%80%ED%95%9C-%EC%9D%98%EB%AC%B8-glk00t4bxk
• https://yceffort.kr/2020/12/measuring-performance-of-javascript-functions
• https://12bme.tistory.com/134
• https://mingggu.tistory.com/127